docs: def printStats(self):
          """ shotcut to pull out useful info for interactive use """
          printDebug("----------------")
          printDebug("Parents......: %d" % len(self.parents()))
          printDebug("Children.....: %d" % len(self.children()))
          printDebug("Ancestors....: %d" % len(self.ancestors()))
          printDebug("Descendants..: %d" % len(self.descendants()))
          printDebug("----------------")